diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/Kconfig | 16 | ||||
| -rw-r--r-- | arch/arm64/kernel/setup.c | 5 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a275ec3f743..b0cfc46ae97 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -152,6 +152,22 @@ config ARM_CPU_TOPOLOGY Support CPU topology definition, based on configuration provided by the firmware. +config SCHED_MC + bool "Multi-core scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. If unsure say N here. + +config SCHED_SMT + bool "SMT scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Improves the CPU scheduler's decision making when dealing with + MultiThreading at a cost of slightly increased overhead in some + places. If unsure say N here. + config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 3dc5c2f7c6b..85afdae9cc0 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -98,6 +98,11 @@ void __init early_print(const char *str, ...) printk("%s", buf); } +bool arch_match_cpu_phys_id(int cpu, u64 phys_id) +{ + return phys_id == cpu_logical_map(cpu); +} + static void __init setup_processor(void) { struct cpu_info *cpu_info; |